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No-Drill decay treatment put to the test in seniors

NCT ID NCT07213661

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study follows 480 older adults (average age 74) from low-income housing to see which treatment better stops tooth decay over 3 to 6 years. One group gets a simple painted-on silver solution (SDF) twice a year; the other gets a standard filling plus fluoride varnish. Researchers will check how many cavities stop growing, new decay, tooth loss, pain, and quality of life.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
silver diamine fluoride (SDF) and atraumatic restorative treatment (ART) with glass ionomer cement plus fluoride varnish
What this could lead to
If successful, this could show that a simple, non-drilling treatment (SDF) works as well as or better than standard fillings for stopping tooth decay in older adults, potentially simplifying care.
What could go wrong
This is a long-term follow-up of an earlier study, not a new treatment. Results may show no clear advantage for either approach, and individual responses vary. The study is observational in design, so it cannot prove cause and effect.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 480 people

The number the study aims to enrol. It can still change while the study runs.

Started

Oct 2025

Expected to finish

Jan 2030

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

62 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: To be eligible to participate in this study, an individual must meet all of the following criteria: * Were participants in the original study from the 33 housing sites * Provide signed and dated long-term follow-up informed consent form * Willingness to stay in the LTFU study for 1 year * Additionally for focus groups, completed the treatment phase of the study Exclusion Criteria: An individual who meets any of the following criteria will be excluded from participation in this study: * Sensitivity to silver or other heavy-metal ions * Serious life-threatening medical disease * Additionally, any participant with the presence of gingival/perioral ulceration or stomatitis or tooth abscess in any specific tooth will be referred to a dentist but can only be enrolled after resolution

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Conditions

The condition(s) this trial relates to.

dental caries Tooth Loss

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Case Western Reserve University

    RECRUITING

    Cleveland, Ohio, 44106, United States

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